blastem: remove

Requires python2 and no release in over two years to resolve the
situation.

```
./img2tiles.py -s font_interlace_variable.spec font_interlace_variable.tiles
  File "/build/blastem-3d48cb0c28be/./img2tiles.py", line 78
    print len(colors), 'distinct 9-bit colors in image'
          ^
SyntaxError: invalid syntax
```

pkgs/misc/emulators/blastem/default.nix

@@ -1,51 +0,0 @@
-{ lib, stdenv, fetchurl, fetchFromGitHub, pkg-config, SDL2, glew, xcftools, python2Packages, makeWrapper }:
-
-let
-  vasm =
-    stdenv.mkDerivation {
-      pname = "vasm";
-      version = "1.8c";
-      src = fetchFromGitHub {
-        owner = "mbitsnbites";
-        repo = "vasm";
-        rev = "244f8bbbdf64ae603f9f6c09a3067943837459ec";
-        sha256 = "0x4y5q7ygxfjfy2wxijkps9khsjjfb169sbda410vaw0m88wqj5p";
-      };
-      makeFlags = [ "CPU=m68k" "SYNTAX=mot" ];
-      installPhase = ''
-        mkdir -p $out/bin
-        cp vasmm68k_mot $out/bin
-      '';
-    };
-in
-stdenv.mkDerivation {
-  pname = "blastem";
-  version = "0.5.1";
-  src = fetchurl {
-    url = "https://www.retrodev.com/repos/blastem/archive/3d48cb0c28be.tar.gz";
-    sha256 = "07wzbmzp0y8mh59jxg81q17gqagz3psxigxh8dmzsipgg68y6a8r";
-  };
-  nativeBuildInputs = [ makeWrapper ];
-  buildInputs = [ pkg-config SDL2 glew xcftools python2Packages.python python2Packages.pillow vasm ];
-  preBuild = ''
-    patchShebangs img2tiles.py
-  '';
-  postBuild = ''
-    make menu.bin
-  '';
-  installPhase = ''
-    mkdir -p $out/bin $out/share/blastem
-    cp -r {blastem,menu.bin,default.cfg,rom.db,shaders} $out/share/blastem/
-    makeWrapper $out/share/blastem/blastem $out/bin/blastem
-  '';
-
-  meta = {
-    homepage = "https://www.retrodev.com/blastem/";
-    description = "The fast and accurate Genesis emulator";
-    maintainers = with lib.maintainers; [ puffnfresh ];
-    license = lib.licenses.gpl3;
-    platforms = lib.platforms.linux;
-    # Makefile:140: *** aarch64 is not a supported architecture.  Stop.
-    badPlatforms = [ "aarch64-linux" ];
-  };
-}

pkgs/top-level/aliases.nix

@@ -79,6 +79,7 @@ mapAliases ({
   bcat = throw "bcat has been removed because upstream is dead"; # added 2021-08-22
   beegfs = throw "beegfs has been removed."; # added 2019-11-24
   beret = throw "beret has been removed"; # added 2021-11-16
+  blastem = throw "blastem has been removed from nixpkgs as it would still require python2."; # added 2022-01-01
   bluezFull = bluez; # Added 2019-12-03
   bpftool = bpftools; # Added 2021-05-03
   brackets = throw "brackets has been removed, it was unmaintained and had open vulnerabilities"; # added 2021-01-24

pkgs/top-level/all-packages.nix

@@ -3930,8 +3930,6 @@ with pkgs;
   birdfont = callPackage ../tools/misc/birdfont { };
   xmlbird = callPackage ../tools/misc/birdfont/xmlbird.nix { stdenv = gccStdenv; };
 
-  blastem = callPackage ../misc/emulators/blastem { };
-
   blahtexml = callPackage ../tools/typesetting/tex/blahtexml { };
 
   blueberry = callPackage ../tools/bluetooth/blueberry { };